Java--解压缩zip包

Test.java

import java.io.IOException;


public class Test {
	public static void main(String[] args) throws IOException, Exception {
		String srcPath = "E:\\zhanglong.zip";
		String dstPath = "E:\\zhanglong";
		Decompression.unZip(srcPath, dstPath);
	}
}

Decompression.java

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Decompression {

	//解压gzip数据
	public static String unGzip(InputStream is){
		String result = null;
		GZIPInputStream in = null;
		ByteArrayOutputStream arrayOutputStream = null;
		try {
			in = new GZIPInputStream(is);
			arrayOutputStream = new ByteArrayOutputStream();
			int len = -1;
			byte[] buffer = new byte[Constant.BUFFER];
			while ((len = in.read(buffer)) != -1) {
				arrayOutputStream.write(buffer, 0, len);
			}
			result = new String(arrayOutputStream.toByteArray(), Constant.UTF);
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			try {
				if(in != null){
					in.close();
				}
				if(arrayOutputStream != null){
					arrayOutputStream.close();
				}
				if(is != null){
					is.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return result;
	}

	//压缩gzip数据
	public static byte[] gzip(String data, String charset) {
		byte[] b = null;
		try {
			ByteArrayOutputStream bos = new ByteArrayOutputStream();
			GZIPOutputStream gzip = new GZIPOutputStream(bos);
			gzip.write(data.getBytes(charset));
			gzip.finish();
			gzip.close();
			b = bos.toByteArray();
			bos.close();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		return b;
	}

	/**************************************************/
	//解压zip压缩包
	public static boolean unZip(String srcPath, String dstPath) {
		boolean isUnzipSuccess = false;
		boolean isDstFormat = false;
		int count = -1; 
		int index = -1;
		File dstFolder = new File(dstPath);
		if(!dstFolder.exists()) dstFolder.mkdirs();
		FileInputStream fis = null;
		ZipInputStream zis = null;
		FileOutputStream fos = null;
		BufferedOutputStream bos = null;
		try {
			ZipEntry entry = null;  
			fis = new FileInputStream(srcPath);
			zis = new ZipInputStream(new BufferedInputStream(fis));

			while ((entry = zis.getNextEntry()) != null) {
				byte[] data = new byte[Constant.BUFFER * 10];
				String temp = entry.getName();
				isDstFormat = isDstFormat(temp);
				if(!isDstFormat)
					continue;

				index = temp.lastIndexOf("/");
				if (index > -1) temp = temp.substring(index + 1);
				temp = dstPath + File.separator + temp;

				File file = new File(temp);
				file.createNewFile();

				fos = new FileOutputStream(file);
				bos = new BufferedOutputStream(fos, Constant.BUFFER * 10);

				while ((count = zis.read(data, 0, Constant.BUFFER * 10)) != -1) {    
					bos.write(data, 0, count);
				}

				bos.flush();
			}
			isUnzipSuccess = true;
		} catch (Exception e) {
			e.printStackTrace();
		}finally{
			try {
				if(bos != null) bos.close();
				if(fos != null) fos.close();
				if(zis != null) zis.close();
				if(fis != null) fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return isUnzipSuccess;
	}

	public static boolean isDstFormat(String filename){
		boolean isDstFormat = false;
		boolean isEndWithOgg = filename.endsWith(Constant.OGG);
		boolean isEndWidthPack = filename.endsWith(Constant.PACK);
		boolean isEndWidthPng = filename.endsWith(Constant.PNG);
		boolean isEndWidthMp3 = filename.endsWith(Constant.MP3);
		boolean isEndWidthTmx = filename.endsWith(Constant.TMX);
		boolean isEndWidthProperties = filename.endsWith(Constant.PROPERTIES);
		if( isEndWithOgg ||  isEndWidthPack || isEndWidthMp3 || isEndWidthPng || isEndWidthTmx || isEndWidthProperties)
			isDstFormat = true;

		return isDstFormat;
	}
}

FileOperate.java

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

public class FileOperate {
	/**
	 * 在指定路径下创建新文件
	 * @param filePath      文件路径
	 * @return
	 * @throws IOException
	 */
	public static File createFile(String filePath, boolean isDeleteAllFiles) {
		String parentPath = filePath.substring(0, filePath.lastIndexOf(File.separator));
		createFolders(parentPath, isDeleteAllFiles);
		File file = new File(filePath);
		try {
			if(!file.createNewFile()){
				file.delete();
				file.createNewFile();
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
		return file;
	}

	/**
	 * 判断配置文件是否存在
	 * @param filePath  文件路径
	 * @return
	 */
	public static boolean isFileExist(String filePath){
		File file = new File(filePath);
		return file.exists();
	}

	/**
	 * 取得指定目录下的所有文件夹名
	 * @return
	 */
	public static List<String> getFilesName(String filePath){
		List<String> files_name = null;
		File file = new File(filePath);
		if(file.exists()){
			files_name = new ArrayList<String>();
			File[] files = file.listFiles();
			for (File file2 : files) {
				if(file2.isDirectory()){
					files_name.add(file2.getName());
				}
			}
		}
		return files_name;
	}

	public static void deleteFiles(File file){
		if(file.exists()){
			File[] files = file.listFiles();
			for(File f : files){
				if(f.isFile()) f.delete();
			}
		}
	}

	public static File createFolders(String path, boolean isDeleteAllFiles){
		File file = new File(path);
		if(file.exists() && file.isDirectory()){
			if(isDeleteAllFiles) deleteFiles(file);
		}else{
			file.mkdirs();
		}
		return file;
	}

	public static boolean deleteFile(String filePath){
		boolean isDeleted = false;
		File file = new File(filePath);
		if(file.exists()){
			if(file.isFile()) {
				file.delete();
				isDeleted = true;
			}
		}
		return isDeleted;
	}

	public static void deleteMkdir(String filePath){
		File file = new File(filePath);
		if(file.exists() && file.isDirectory()){
			file.delete();
		}
	}


	/*********删除文件夹******/
	public static boolean deleteFolders(String filePath){
		boolean isDeleteSuccess = false;
		LinkedList<String> folderList = new LinkedList<String>();
		folderList.add(filePath);

		while(folderList.size() > 0){
			File file1 = new File(folderList.poll());
			File[] files1 = file1.listFiles();
			ArrayList<File> fileList = new ArrayList<File>();
			for(int i = 0; i < fileList.size(); i++){
				if(files1[i].isDirectory()){
					folderList.add(files1[i].getPath());
				}else{
					fileList.add(files1[i]);
				}
			}
			//删除文件
			for(File file : fileList){
				file.delete();
			}
		}

		//删除文件夹
		folderList = new LinkedList<String>();
		folderList.add(filePath);
		while(folderList.size() > 0){
			File file2 = new File(folderList.getLast());
			if(file2.delete()){
				folderList.removeLast();
			}else{
				File[] files2 = file2.listFiles();
				for(int i = 0; i < files2.length; i++){
					folderList.add(files2[i].getPath());
				}
			}
		}
		if(folderList.size() == 0) isDeleteSuccess = true;
		return isDeleteSuccess;
	}

	public static boolean moveFile(String srcFilePath, String dstFilePath){
		boolean isMoveFileSuccess = false;
		
		BufferedInputStream bis = null;
		BufferedOutputStream bos = null;
		FileInputStream fis = null;
		FileOutputStream fos = null;
		try {
			if(isFileExist(dstFilePath)) deleteFile(dstFilePath);
			File dstFile = createFile(dstFilePath, false);
			fis = new FileInputStream(new File(srcFilePath));
			fos = new FileOutputStream(dstFile);
			bis = new BufferedInputStream(fis);
			bos = new BufferedOutputStream(fos, Constant.BUFFER * 10);
			int count = -1;
			byte[] buffer = new byte[Constant.BUFFER * 10];
			while((count = bis.read(buffer, 0, Constant.BUFFER * 10)) != -1){
				bos.write(buffer, 0, count);
				bos.flush();
			}
			isMoveFileSuccess = true;
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			try {
				if(bos != null){
					bos.close();
				}
				if(fos != null){
					fos.close();
				}
				if(bis != null){
					bis.close();
				}
				if(fis != null){
					fis.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return isMoveFileSuccess;
	}
}

Constant.java

public class Constant {
	public static final int BUFFER = 1024;
	public static final String UTF = "utf-8";
	
	public static final String OGG = ".ogg";
	public static final String PACK = ".pack";
	public static final String PNG = ".png";
	public static final String MP3 = ".mp3";
	
	public static final String PROPERTIES = ".properties";
	public static final String TMX = ".tmx";  
}

测试包： http://download.csdn.net/detail/zlqqhs/5943973